How to Set Your HVAC Before Going on Vacation

Heading out of town? The right HVAC settings can save energy without risking damage to your home or belongings. Here is what to know.

Summer Vacation Settings

Do Not Turn Off AC Completely

Even when away, keep some cooling to prevent:

• Humidity damage (mold, mildew, wood warping)
• Heat damage to electronics, plants, food
• Overwhelming heat when you return

Recommended Summer Setting

**Set thermostat to 80-85 degrees F**

• Saves significant energy vs. normal temps
• Still prevents humidity problems
• Protects home and belongings

Additional Summer Tips - Close blinds and curtains to reduce heat gain - Set fan to "auto" not "on" - Ensure dehumidifier is off (AC handles humidity)

Winter Vacation Settings

Do Not Turn Heat Off Completely

Keep some heat to prevent:

• Frozen pipes (major damage risk)
• Humidity problems
• Strain on system when restarting in very cold conditions

Recommended Winter Setting

**Set thermostat to 55-60 degrees F**

• Prevents pipes from freezing
• Saves significant energy
• Protects home and belongings

Additional Winter Tips - Open cabinet doors under sinks to expose pipes to warmth - Ensure no water is dripping (frozen drips can cause damage) - Consider having someone check on the home

Smart Thermostat Features

Modern smart thermostats offer vacation-specific features:

**Vacation or Away Mode**

• Single setting optimizes for your absence
• May monitor for extreme temperatures
• Alerts you to problems while away

**Remote Monitoring**

• Check on home temperature from anywhere
• Adjust settings if weather changes
• Get alerts for unusual conditions

**Schedule Adjustments**

• Easy to set return date
• Home comfortable when you arrive
• No need to remember to change settings

Before Any Extended Absence

Check Your HVAC System - Replace filter before leaving - Verify system is working properly - Address any unusual sounds or behaviors

Protect Against Problems - Know how to monitor remotely if possible - Have a neighbor or friend check periodically - Know who to call if something goes wrong

Consider a Pre-Trip Inspection For extended absences (over a month): - Professional inspection can catch issues - Peace of mind while away - Prevents returning to a failed system

Bay Area Specific Notes

Our moderate climate makes vacation settings simpler:

• Summer: 85 degrees is usually safe
• Winter: 60 degrees prevents most issues
• Freeze risk is lower but not zero in some areas

If your home is in a cooler microclimate (coast, hills), set winter temperatures slightly higher for safety.